/*!
 *  button.less
 *
 *  copyright 2012 frapwings, kazuya kawaguchi (@kazu_pon)
 *  licensed under MIT license
 *  http://www.opensource.org/licenses/mit-license.php
 */


.button {
  display: inline-block;
  .ie7-inline-block();
  padding: 4px 10px 4px;
  margin-bottom: 0; // For input.button
  font-size: @baseFontSize;
  line-height: @baseLineHeight;
  color: @grayDark;
  text-align: center;
  text-shadow: 0 1px 1px rgba(255,255,255,.75);
  vertical-align: middle;
  .buttonBackground(@buttonBackground, @buttonBackgroundHighlight);
  border: 1px solid @buttonBorder;
  border-bottom-color: darken(@buttonBorder, 10%);
  .border-radius(4px);
  @shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
  .box-shadow(@shadow);
  cursor: pointer;
  // Give IE7 some love
  .ie7-restore-left-whitespace();
}

// Hover state
.button:hover {
  color: @grayDark;
  text-decoration: none;
  background-color: darken(@white, 10%);
  background-position: 0 -15px;
  // transition is only when going to hover, otherwise the background
  // behind the gradient (there for IE<=9 fallback) gets mismatched
  .transition(background-position .1s linear);
}

// Focus state for keyboard and accessibility
.button:focus {
  .tab-focus();
}

// Active state
.button.active,
.button:active {
  background-image: none;
  @shadow: inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
  .box-shadow(@shadow);
  background-color: darken(@white, 10%);
  background-color: darken(@white, 15%) e("\9");
  outline: 0;
}

// Disabled state
.button.disabled,
.button[disabled] {
  cursor: default;
  background-image: none;
  background-color: darken(@white, 10%);
  .opacity(65);
  .box-shadow(none);
}

// Large
.button-large {
  padding: 9px 14px;
  font-size: @baseFontSize + 2px;
  line-height: normal;
  .border-radius(5px);
}

.button-large [class^="icon-"] {
  margin-top: 1px;
}

// Small
.button-small {
  padding: 5px 9px;
  font-size: @baseFontSize - 2px;
  line-height: @baseLineHeight - 2px;
}

.button-small [class^="icon-"] {
  margin-top: -1px;
}

// Mini
.button-mini {
  padding: 2px 6px;
  font-size: @baseFontSize - 2px;
  line-height: @baseLineHeight - 4px;
}

.button-primary,
.button-primary:hover,
.button-warning,
.button-warning:hover,
.button-danger,
.button-danger:hover,
.button-success,
.button-success:hover,
.button-info,
.button-info:hover,
.button-inverse,
.button-inverse:hover {
  text-shadow: 0 -1px 0 rgba(0,0,0,.25);
  color: @white;
}

// Provide *some* extra contrast for those who can get it
.button-primary.active,
.button-warning.active,
.button-danger.active,
.button-success.active,
.button-info.active,
.button-inverse.active {
  color: rgba(255,255,255,.75);
}

.button-primary {
  .buttonBackground(@buttonPrimaryBackground, @buttonPrimaryBackgroundHighlight);
}

// Warning appears are orange
.button-warning {
  .buttonBackground(@buttonWarningBackground, @buttonWarningBackgroundHighlight);
}

// Danger and error appear as red
.button-danger {
  .buttonBackground(@buttonDangerBackground, @buttonDangerBackgroundHighlight);
}

// Success appears as green
.button-success {
  .buttonBackground(@buttonSuccessBackground, @buttonSuccessBackgroundHighlight);
}

// Info appears as a neutral blue
.button-info {
  .buttonBackground(@buttonInfoBackground, @buttonInfoBackgroundHighlight);
}

// Inverse appears as dark gray
.button-inverse {
  .buttonBackground(@buttonInverseBackground, @buttonInverseBackgroundHighlight);
}

// Cross-browser Jank
button.button,
input[type="submit"].button {
  // Firefox 3.6 only I believe
  &::-moz-focus-inner {
    padding: 0;
    border: 0;
  }
  // IE7 has some default padding on button controls
  *padding-top: 2px;
  *padding-bottom: 2px;
  &.button-large {
    *padding-top: 7px;
    *padding-bottom: 7px;
  }
  &.button-small {
    *padding-top: 3px;
    *padding-bottom: 3px;
  }
  &.button-mini {
    *padding-top: 1px;
    *padding-bottom: 1px;
  }
}

